CN209195991U - A kind of shaft coupling of wheeled unmanned chassis steering structure and steering mechanism - Google Patents

Abstract

The utility model discloses a kind of shaft couplings of wheeled unmanned chassis steering structure, including upper connector, lower connector and cross axle, it is hollow design among upper connector bottom, its hollow part is the first loading space, first loading space two sides are equipped with the first connecting hole, are equipped with the first splined hole at the top of upper connector；Lower connector top center is also hollow design, and hollow part is the second loading space, and the second loading space two sides are equipped with the second connecting hole, and lower connector bottom is equipped with the second splined hole；Cross right angle setting at the top of upper connector bottom and lower connector, and it is respectively clamped into the first connecting hole of upper connector and the second connecting hole of lower connector by two opposite connecting pins of cross axle, this shaft coupling have make turn to driving motor output shaft and steering wheel connecting shaft decentraction transmission neither damage shaft coupling nor affect on transmission accuracy, while reduce processing craft precision requirement and installation accuracy require the advantages of.

Description

A kind of shaft coupling of wheeled unmanned chassis steering structure and steering mechanism

Technical field

The utility model relates to a kind of shaft coupling of wheeled unmanned chassis steering structure and steering mechanism.

Background technique

With the development of new science and technology, the development of unmanned technology is become better and better, in necks such as express delivery delivery, inspection patrols Domain, the biggish ratio of accounting, so the prospect big there are demand.The chassis of vehicle body that unmanned technology uses mostly uses greatly forward The scheme back-drived causes its structure space compact so driving motor is mounted on the inside of chassis, the driving motor of steering and The distance between steering wheel requires short, and for the distance between driving motor and the steering wheel for shortening steering, existing technology is logical It is often to connect to turn to driving motor and steering wheel, such shaft coupling using diaphragm type coupler or other industrial shaft couplings It is vertically connected with end and is not provided with splined hole, so shaft coupling is vertically connected with output shaft and the direction that end connects driving motor by compressing The connecting shaft of motor, and this shaft coupling is very high to installation accuracy requirement, it is desirable that turn to output shaft and the direction of driving motor The connecting shaft of machine is concentric, and frequent positive and negative rotation, and the abrasion of shaft coupling is very big, and unmanned inspection, unmanned delivery intelligent machine is not achieved The high-precision of device people, high reliability, the requirement of high life.

So a distance that can not only shorten driving motor and downside steering wheel of design, meet that chassis structure is compact to be wanted It asks, the shaft coupling for also having the feature of precision, high reliablity, the service life length of transmitting is necessary.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of shaft coupling of wheeled unmanned chassis steering structure And steering mechanism, it solves traditional shaft coupling installation accuracy and requires height, turn to the connection of the output shaft and steering wheel of driving motor Axis is concentric, and not can be shortened the problem of turning to the distance between driving motor and steering wheel.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of wheeled unmanned chassis steering structure Shaft coupling, including upper connector, lower connector and cross axle are hollow design, hollow out among the upper connector bottom Place is the first loading space, and the first loading space two sides are equipped with the first connecting hole, are equipped with the first spline at the top of the upper connector Hole；The lower connector top center is also hollow design, and hollow part is the second loading space, and the second loading space two sides are set There is the second connecting hole, the lower connector bottom is equipped with the second splined hole；Wherein, the upper connector bottom and lower connector top Portion's cross right angle setting, and by two opposite connecting pins of cross axle be respectively clamped into upper connector the first connecting hole and lower company In second connecting hole of fitting.

Preferably, the connecting pin of the cross axle and the first connecting hole, the second connecting hole junction are additionally provided with bearing.

Preferably, the modulus of first splined hole is 0.45, the number of teeth 36, and the modulus of the second splined hole is 0.45, tooth Number is 30.

Preferably, first splined hole and the second splined hole side are equipped with opening portion.

Preferably, the upper connector top side, lower connector bottom side are equipped with through hole, and through hole penetrates opening Portion, through hole side are threaded hole.

Another aspect according to the present utility model provides a kind of steering mechanism, including one kind described above it is wheeled nobody The shaft coupling of chassis steering structure.

(3) beneficial effect

Compared with prior art, the utility model provides the shaft coupling of the wheeled unmanned chassis steering structure of one kind and turns To mechanism, have it is following the utility model has the advantages that

The shaft coupling of the wheeled unmanned chassis steering structure and steering mechanism pass through setting upper connector and lower connector Vertical interlaced is connected on the outside of the opposite connecting pin of cross axle, allows upper connector and the opposite offset of lower connector, into And steering driving motor output shaft and steering wheel connecting shaft decentraction transmission neither damage shaft coupling is made to nor affect on transmission accuracy, The craft precision requirement processed when the manufacture of wheeled unmanned chassis and installation accuracy requirement are reduced simultaneously.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention,

In the accompanying drawings:

FIG. 1 is a schematic structural view of the utility model one；

Fig. 2 is the utility model structural decomposition diagram；

Fig. 3 is the utility model structure diagram two；

Fig. 4 is the utility model shaft coupling and steering mechanism's mounting structure schematic diagram.

In figure: 1 upper connector, 11 first loading spaces, 12 first connecting holes, 13 first splined holes, 2 lower connectors, 21 Second loading space, 22 second connecting holes, 23 second splined holes, 3 cross axles, 31 connecting pins, 4 opening portions, 5 through holes, 6 turn to Driving motor, 7 steering wheels.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Attached drawing is please referred to, the utility model provides a kind of technical solution: a kind of connection of wheeled unmanned chassis steering structure Axis device is applied to steering mechanism, including turns to driving motor and steering wheel, further includes upper connector 1, lower connector 2 and cross Axis 3,1 bottom of upper connector centre are hollow design, and hollow part is the first loading space 11, and 11 two sides of the first loading space are set There is the first connecting hole 12, is equipped with the first splined hole 13 at the top of upper connector 1；Lower 2 top center of connector is also hollow design, Hollow part is the second loading space 21, and 21 two sides of the second loading space are equipped with the second connecting hole 22, and lower 2 bottom of connector is set There is the second splined hole 23；Wherein, 2 top cross right angle setting of 1 bottom of upper connector and lower connector, and pass through 3 phase of cross axle Pair two connecting pins 31 be respectively clamped into the first connecting hole 12 of upper connector 1 and the second connecting hole 22 of lower connector 2, with Just 1 bottom of upper connector and lower connector 2 can be displaced, and the axle center in the axle center and lower connector 2 that do not require upper connector 1 must It must not require the connecting shaft of the output shaft for turning to driving motor 6 and steering wheel 7 concentric on the same line, reduce shaft coupling Installation accuracy requirement, while also shortening and turning to the distance between driving motor and steering wheel.

In the present embodiment, the connecting pin 31 of cross axle 3 is additionally provided with the first connecting hole 12,22 junction of the second connecting hole Bearing can be respectively relative to cross axle 3 convenient for upper connector 1 and lower connector 2 and rotate.

In the present embodiment, the modulus of the first splined hole 13 is 0.45, and the modulus of the number of teeth 36, the second splined hole 23 is 0.45, the number of teeth 30, wherein it is 0.45 that steering 6 output shaft of driving motor, which is modulus, the splined shaft that the number of teeth is 36, steering wheel 7 connects The modulus of spindle is 0.45, the splined shaft that the number of teeth is 30, turns to 6 output shaft of driving motor and connect with the first splined hole 13, direction 7 connecting shaft of machine is connect with the second splined hole 23, has both increased the contact surface of transmission, improves the torque of transmission, is also improved and is turned to driving 6 output shaft of motor by shaft coupling drive 7 connecting shaft of steering wheel rotation precision and reliability, avoid using the time it is long when or by Sliding phenomenon occurs for shaft coupling connection both ends when torsion is big.

In the present embodiment, the first splined hole 13 and 23 side of the second splined hole are equipped with opening portion 4, and upper connector 1 pushes up Portion side, 2 bottom side of lower connector are equipped with through hole 5, and through hole 5 penetrates opening portion 4, and 5 side of through hole is threaded hole, The first splined hole 13 and the second splined hole 23 are slightly larger than respectively when installation turns to 6 output shaft of driving motor and 7 connecting shaft of steering wheel, It is easily installed, when turning to, 6 output shaft of driving motor is caught in the first splined hole 13,7 connecting shaft of steering wheel is caught in the second splined hole 23 Afterwards, bolt passes through preceding half side be threadedly coupled with rear half side threaded hole of through hole 5 and tightens opening portion 4, and then will turn to drive respectively Dynamic motor 6 is fixedly connected on above shaft coupling, and steering wheel 7 is fixedly connected below shaft coupling.

It is packed into the first splined hole 13 in use, turning to 6 output shaft of driving motor, 7 connecting shaft of steering wheel is caught in the second flower In keyhole 23, turns to 6 output shaft of driving motor and 7 connecting shaft of steering wheel is all splined shaft, the first splined hole 13 and the second spline Hole 23 is splined hole, so the contact surface of transmission increases after being cooperatively connected, improves the torque of transmission and keeps precision and can By property, avoid traditional shaft coupling using the time it is long when or by torsion it is big when connection both ends be likely to occur sliding phenomenon, due to ten The rolling action of 3 four 31 outboard bearings of connecting pin of word axis, so upper connector 1 and lower connector 2 can in 3 junction of cross axle Pivot offset does not need with one heart, both convenient for 6 output shaft of driving motor and 7 connecting shaft of steering wheel of shaft coupling upper and lower ends connection Shaft coupling is not damaged nor affects on transmission accuracy.

The utility model additionally provides a kind of steering mechanism, which includes wheeled unmanned chassis steering mechanism Shaft coupling.Specifically, the shaft coupling of the wheeled unmanned chassis steering mechanism is wheeled unmanned vehicle bottom provided by the above embodiment The shaft coupling of disk steering structure.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached It does not need that it is further discussed in figure.

In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical, Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.

For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and And respective explanations are made to the opposite description in space used herein above.

In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this Apply for the limitation of protection scope.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of shaft coupling of wheeled unmanned chassis steering structure, including upper connector (1), lower connector (2) and cross axle (3), it is characterised in that:

It is hollow design among upper connector (1) bottom, hollow part is the first loading space (11), the first loading space (11) two sides are equipped with the first connecting hole (12), are equipped with the first splined hole (13) at the top of the upper connector (1)；

Lower connector (2) top center is also hollow design, and hollow part is the second loading space (21), and second loads sky Between (21) two sides be equipped with the second connecting hole (22), lower connector (2) bottom be equipped with the second splined hole (23)；

Wherein, upper connector (1) bottom and lower connector (2) top cross right angle setting, and it is opposite by cross axle (3) Two connecting pins (31) be respectively clamped into the first connecting hole (12) of upper connector (1) and the second connecting hole of lower connector (2) (22) in.

2. the shaft coupling of the wheeled unmanned chassis steering structure of one kind according to claim 1, it is characterised in that: described ten The connecting pin (31) and the first connecting hole (12), the second connecting hole (22) junction of word axis (3) are additionally provided with bearing.

3. the shaft coupling of the wheeled unmanned chassis steering structure of one kind according to claim 1, it is characterised in that: described The modulus of one splined hole (13) is 0.45, the number of teeth 36, and the modulus of the second splined hole (23) is 0.45, the number of teeth 30.

4. the shaft coupling of the wheeled unmanned chassis steering structure of one kind according to claim 1, it is characterised in that: described One splined hole (13) and the second splined hole (23) side are equipped with opening portion (4).

5. the shaft coupling of the wheeled unmanned chassis steering structure of one kind according to claim 4, it is characterised in that: on described Connector (1) top side, lower connector (2) bottom side are equipped with through hole (5), and through hole (5) penetrates opening portion (4), Through hole (5) side is threaded hole.

6. a kind of steering mechanism, including the wheeled unmanned chassis steering structure of one kind according to any one of claims 1-4 Shaft coupling.